Machines and work /

An introduction to machines, from levers and pulleys to compound machinery, which includes instructions for activities and projects to illustrate the principles.

Bibliographic Details
Main Author: Ward, Alan, 1932-
Format: Book
Language:English
Published: New York : Franklin Watts, [1993]
Series:Ward, Alan, 1932- Project science.
Subjects:
Description
Summary:An introduction to machines, from levers and pulleys to compound machinery, which includes instructions for activities and projects to illustrate the principles.
Item Description:Includes index.
Physical Description:31 pages : illustrations ; 27 cm.
ISBN:0531142434